A study was launched internally to improve digital services related to patients with an approach of dematerialization of local public services by integrating a vision of sustainable development; In addition to allowing digital accessibility for all, this dematerialization project can lead to the introduction of a paperless policy within our institution and succeed in the turn of economic and ecological transformation. These actions resulting from the dematerialization project will also make it possible to work more collaboratively and gain efficiency in order to raise the quality of the service provided to our patients and users.